SimTester: a controllable and observable testing framework for embedded systems
VEE '12 Proceedings of the 8th ACM SIGPLAN/SIGOPS conference on Virtual Execution Environments
Location pairs: a test coverage metric for shared-memory concurrent programs
Empirical Software Engineering
SimRacer: an automated framework to support testing for process-level races
Proceedings of the 2013 International Symposium on Software Testing and Analysis
An observable and controllable testing framework for modern systems
Proceedings of the 2013 International Conference on Software Engineering
An approach to testing commercial embedded systems
Journal of Systems and Software
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Embedded systems are becoming increasingly ubiquitous, controlling a wide variety of popular and safety-critical devices. Effective testing techniques could improve the dependability of these systems. In prior work we presented an approach for testing embedded systems, focusing on embedded system applications and the tasks that comprise them. In this work we focus on a second but equally important aspect of testing embedded systems, namely, the need to provide observability of system behavior sufficient to allow engineers to detect failures. We present several property-based oracles that can be instantiated in embedded systems through program analysis and instrumentation, and can detect failures for which simple output-based oracles are inadequate. An empirical study of our approach shows that it can be effective.